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Below is the detailed parts breakdown for the OTC Daihen D12000 plasma cutting machine. The symbols listed correspond to those in the electrical connection and component configuration drawings (refer to the previous article "OTC plasma cutting machine D12000 electrical connection diagram and symbols in component configuration drawings"). All items are genuine OTC Daihen spare parts, with model numbers, specifications, and quantities for easy identification and ordering.
| No. | Symbol | Part Name | Model / Part Number | Specification | Qty |
|---|---|---|---|---|---|
| 1 | T1 | Three‑phase transformer | C0209B00A | C0209B00A | 1 |
| 2 | L1 | DC reactor | C0209C00 | C0209C00 | 1 |
| 3 | SOL1,2,4 | Solenoid valve | 4813-002 | AB2X0806-AC200V | 3 |
| 4 | SOL3 | Solenoid valve | 4813-055 | AB31-02-4-P-AC200V | 1 |
| 5 | PS1 | Water pressure switch | 4255-015 | W-36410 | 1 |
| 6 | PS2 | Water pressure switch | 4255-016 | W-W00032B | 1 |
| 7 | PS3 | Flow sensor | 300-0017 | FL-01 | 1 |
| 8 | CC | High frequency arc starter | C0209D00 | C0209D00 | 1 |
| 9 | C1 | Electrolytic capacitor | 4511-314 | LNR2G152MSMB 400W 1500 | 1 |
| 10 | F1 | Glass tube fuse | 4610-004 | 250V 10A | 1 |
| 11 | — | Fuse holder | 4610-128 | HF-008 | 1 |
| 12 | S1 | Power switch | 300-0018 | XT-21A 15A/AC 250V | 1 |
| 13 | S2,3 | Switch | 100-1439 | KCD3B-12 | 2 |
| 14 | S4 | Switch | 4251-059 | M-20409 L/B | 1 |
| 15 | PL1 | Neon lamp | 4600-371 | ND1-25/40 380V | 1 |
| 16 | PL2 | LED indicator | 4600-205 | 00-99G | 1 |
| 17 | PL3,5 | Incandescent lamp | 300-0019 | T10E10 24V 2W | 2 |
| 18 | PL4 | LED indicator | 4601-207 | 00-990 | 1 |
| 19 | R7 | Potentiometer | 4501-039 | RV24YN20SB5K | 1 |
| 20 | PCB7 | Printed circuit board | K10018X00A | K10018X00A | 1 |
| 21 | F3,F4 | Fuse link | 300-0004 | RT28-32/4A | 2 |
| 22 | — | Fuse isolator | 300-0003 | RT28N-32X | 1 |
| 23 | FM | Fan | 300-0012 | A4E300-AS72-02 | 1 |
| 24 | T2 | Auxiliary transformer | W-W05139 | W-W05139 | 1 |
| 25 | T4 | Auxiliary transformer | W-W05140 | W-W05140 | 1 |
| 26 | T5 | Auxiliary transformer | W-W05138 | W-W05138 | 1 |
| 27 | EB1 | Buzzer | 4346-003 | EB1124 | 1 |
| 28 | CR3 | Relay | 4341-129 | G2R-1-T DC24V | 1 |
| 29 | DR6 | Diode | 4531-406 | ERB12-02 (RM1Z, RM1A) | 1 |
| 30 | PCB1 | Printed circuit board | C0209P | C0209P00 | 1 |
| 31 | PCB2 | Printed circuit board | E2462Q | E2462Q00 | 1 |
| 32 | PCB3 | Printed circuit board | P6255Y | P6255Y00 | 1 |
| 33 | PCB4 | Printed circuit board | P9790M | P9790M00 | 1 |
| 34 | PCB5 | Printed circuit board | P6681S | P6681S00 | 1 |
| 35 | PCB6 | Printed circuit board | P6256M | P6256M00 | 1 |
| 36 | TM | Terminal block | 300-0020 | KT2-660V/30A-2P | 1 |
| 37 | R4A-C | Non‑inductive parallel winding resistor | 4504-318 | NCRF22V 5ΩJ | 3 |
| 38 | R5a~b | Non‑inductive resistor | 4509-828 | 20SHN5 | 2 |
| 39 | R9 | Carbon film resistor | 4508-015 | RD1/4S 1kΩJ | 1 |
| 40 | TR1 | IGBT | 4534-528 | CM200DY-12NF 300G | 1 |
| 41 | C3a,b | Plate capacitor | 300-0021 | DUP0.047µF 1000V | 2 |
| 42 | C4 | Film capacitor | 4518-528 | US20X103JAASA | 1 |
| 43 | R8 | Cement resistor | 4509-809 | 20SH 8.2kΩKA | 1 |
| 44 | C5-C8 | Film capacitor | 4517-454 | CS17-F2GA103MYAS | 4 |
| 45 | EB2 | Buzzer | 4346-003 | EA-4202 | 1 |
| 46 | C9 | Film capacitor | 4518-444 | 400V 0.47µF | 1 |
| 47 | CON1 | Metal connector | 4730-006 | DPC25-4BP | 1 |
| 48 | CON2 | Metal connector | 4730-002 | DPC25-2BP | 1 |
| 49 | CON3 | Metal connector | 4730-008 | DPC25-5BP | 1 |
| 50 | CON4 | AC socket | 300-0022 | SS-6G | 1 |
| 51 | R3 | Wire wound resistor | 4504-415 | GG120W 10ΩJ | 1 |
| 52 | R6 | Wire wound resistor | 4504-503 | GG80W 200ΩJ | 1 |
| 53 | R2 | Wire wound resistor | 4504-414 | GG150W 10ΩJ | 1 |
| 54 | C2A-F | Plate capacitor | 4518-411 | EM351200D0B1HP | 6 |
| 55 | PCB10 | Printed circuit board | P6681R | P6681R00 | 1 |
| 56 | CR1 | Relay | 4340-601 | G4F-11123T DC24V | 1 |
| 57 | PCB8 | Printed circuit board | P6074H00 | P6074H00 | 1 |
| 58 | T3 | High frequency transformer | W-W05100 | W-W05100 | 1 |
| 59 | PCB9 | Printed circuit board | P9951N | P9951N00 | 1 |
| 60 | DR1,2,3 | Diode | 4531-057 | PD-608 | 3 |
| 61 | DR4,5 | High‑speed diode | 4531-308 | DBA200UA60 | 2 |
| 62 | THP1,2 | Temperature control switch | 100-0121 | US-602SXTTAS 80°C | 2 |
| 63 | SG | Discharge gap | P9501E | P9501E | 1 |
| 64 | R1 | Cement resistor | 4509-821 | 20SH 1kΩKA | 1 |
| 65 | MS | AC contactor | 4340-126 | GSC1-4011 AC200V | 1 |
| 66 | — | AC contactor contact | 300-0023 | F3-11D | 1 |
All parts listed above are 100% original OTC Daihen spare parts. Our company is an OTC-designated agent, ensuring you receive authentic components for your cutting machine. Whether you need a single replacement or bulk orders, we are here to help.
📞 Contact Us for Orders / Inquiries
📱 Phone / WeChat / WhatsApp:
+86-180-9663-1656
📧 Email:
ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. You're also welcome to connect on WeChat to exchange knowledge and information about OTC welding and cutting machines.
Company: COMPANY：Authorized Distributor of OTC Daihen
Contact person: Contact：Mr.Fang
Mobile phone: Phone：+86-18096631656
Email address: Email：15305667776@163.com
Address: Add：Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China